just how long does it take for sun fading to do damage? my toy room gets small bits of sunlight through the blinds, and as the sun sets, it moves across my toys, and i'm wondering how long it takes to do real damage...

ive been thinking of getting a black curtain for it, to prevent any light, but just havent yet....and my bedroom has a few toys, and one or two gets some sun for a few hours as the sun sets too....

The room I use for display actually has the windows covered with folded-over space-blankets, which makes them at least 3-4 layers thick, overlapping the edges of the glass onto the casings, and sealed down with duct tape. Does a superb job of rejecting sunlight from the room.

Of course, if your neighbors don't know you well, they might decide you're growing pot and call the cops...

The room I use for display actually has the windows covered with folded-over space-blankets, which makes them at least 3-4 layers thick, overlapping the edges of the glass onto the casings, and sealed down with duct tape. Does a superb job of rejecting sunlight from the room.

Of course, if your neighbors don't know you well, they might decide you're growing pot and call the cops...

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I don't care that much, because they will yellow over time in any case. I do cover the display case over the summer with a dark bed sheet to keep the sun from shinning on it for 2-3 hours a day it takes it to set, from the moment it starts to shine on the display case until it sets bellow the buildings.

I've got some office style blinds in my room, and reflective film on the windows. Keeps the worst glare of the sun out, but lets light in, and the blinds can be adjusted to let plenty of light in without actual sunlight. Also, the sun's light barely falls anywhere in the room - definitely not enough to cause lasting damage.

You will probably find, unless things are in direct sunlight all of the time, that the sun won't cause a huge amount of damage that quickly - but it is best to take precautions. I think blinds are the best, since you can adjust them to let light in, but also keep the direct sunlight out.

Ah the cursed yellowing of doom. If you can prevent the sun form hitting them I would, why help the eventuallity. Try some curtains or even some UV sun block window treatment, anything should help. Depending on conditions yellowing can happen quite fast to hardly at all, too many variables on too many different plastics and oils that might be present.

The room I use for display actually has the windows covered with folded-over space-blankets, which makes them at least 3-4 layers thick, overlapping the edges of the glass onto the casings, and sealed down with duct tape. Does a superb job of rejecting sunlight from the room.

Of course, if your neighbors don't know you well, they might decide you're growing pot and call the cops...

The only problem I have with TFs is age itself. With white Transformers like Materforce Minerva even 02 discolors her. Also the plastic used on some Decepticon Pretenders and the Victory Dinobots are showing age spots. (brown spots appearing in the plastic) I have heavy curtains in my TF room btw.

All colours will discolour if left in direct sunlight long enough. I've got blue Micromasters who've gone a nasty shade of brown over the years. Even ones who don't yellow do end up fading. It'll be especially obvious if you turn them around a few years up the line and see the back being one colour and the front another.